Catching a killer is dangerous—especially if he lives next doorFrom the hugely talented author ofThe Kind Worth Killingcomes an exquisitely chilling tale of a young suburban wife with ahistory of psychological instability whose fears about her new neighborcould lead them both to murder . . .Hen and her husband Lloyd have settled into a quiet life in a newhouse outside of Boston, Massachusetts. Hen (short for Henrietta) is anillustrator and works out of a studio nearby, and has found the rightmeds to control her bipolar disorder. Finally, she’s found somestability and peace.But when they meet the neighbors next door, that calm begins to erodeas she spots a familiar object displayed on the husband’s office shelf.The sports trophy looks exactly like one that went missing from thehome of a young man who was killed two years ago. Hen knows becauseshe’s long had a fascination with this unsolved murder—an obsession shedoesn’t talk about anymore, but can’t fully shake either.Could her neighbor, Matthew, be a killer? Or is this the beginning ofanother psychotic episode like the one she suffered back in college,when she became so consumed with proving a fellow student guilty thatshe ended up hurting a classmate?The more Hen observes Matthew, the more she suspects he’s planningsomething truly terrifying. Yet no one will believe her. Then one night,when she comes face to face with Matthew in a dark parking lot, sherealizes that he knows she’s been watching him, that she’s really on tohim. And that this is the beginning of a horrifying nightmare she maynot live to escape. . .